1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2019 Intel Corporation <www.intel.com>
9 #include <clk-uclass.h>
13 #include <dt-bindings/clock/agilex-clock.h>
14 #include <linux/bitops.h>
16 #include <asm/arch/clock_manager.h>
18 DECLARE_GLOBAL_DATA_PTR;
20 struct socfpga_clk_plat {
25 * function to write the bypass register which requires a poll of the
28 static void clk_write_bypass_mainpll(struct socfpga_clk_plat *plat, u32 val)
30 CM_REG_WRITEL(plat, val, CLKMGR_MAINPLL_BYPASS);
34 static void clk_write_bypass_perpll(struct socfpga_clk_plat *plat, u32 val)
36 CM_REG_WRITEL(plat, val, CLKMGR_PERPLL_BYPASS);
40 /* function to write the ctrl register which requires a poll of the busy bit */
41 static void clk_write_ctrl(struct socfpga_clk_plat *plat, u32 val)
43 CM_REG_WRITEL(plat, val, CLKMGR_CTRL);
47 #define MEMBUS_MAINPLL 0
48 #define MEMBUS_PERPLL 1
49 #define MEMBUS_TIMEOUT 1000
51 #define MEMBUS_CLKSLICE_REG 0x27
52 #define MEMBUS_SYNTHCALFOSC_INIT_CENTERFREQ_REG 0xb3
53 #define MEMBUS_SYNTHPPM_WATCHDOGTMR_VF01_REG 0xe6
54 #define MEMBUS_CALCLKSLICE0_DUTY_LOCOVR_REG 0x03
55 #define MEMBUS_CALCLKSLICE1_DUTY_LOCOVR_REG 0x07
66 * Enable source synchronous mode
72 MEMBUS_SYNTHCALFOSC_INIT_CENTERFREQ_REG,
75 * Sets synthcalfosc_init_centerfreq=1 to limit overshoot
76 * frequency during lock
82 MEMBUS_SYNTHPPM_WATCHDOGTMR_VF01_REG,
85 * Sets synthppm_watchdogtmr_vf0=1 to give the pll more time
86 * to settle before lock is asserted.
92 MEMBUS_CALCLKSLICE0_DUTY_LOCOVR_REG,
95 * Centering duty cycle for clkslice0 output
101 MEMBUS_CALCLKSLICE1_DUTY_LOCOVR_REG,
104 * Centering duty cycle for clkslice1 output
111 static int membus_wait_for_req(struct socfpga_clk_plat *plat, u32 pll,
117 if (pll == MEMBUS_MAINPLL)
118 req_status = CM_REG_READL(plat, CLKMGR_MAINPLL_MEM);
120 req_status = CM_REG_READL(plat, CLKMGR_PERPLL_MEM);
122 while ((cnt < timeout) && (req_status & CLKMGR_MEM_REQ_SET_MSK)) {
123 if (pll == MEMBUS_MAINPLL)
124 req_status = CM_REG_READL(plat, CLKMGR_MAINPLL_MEM);
126 req_status = CM_REG_READL(plat, CLKMGR_PERPLL_MEM);
136 static int membus_write_pll(struct socfpga_clk_plat *plat, u32 pll,
137 u32 addr_offset, u32 wdat, int timeout)
142 addr = ((addr_offset | CLKMGR_MEM_ADDR_START) & CLKMGR_MEM_ADDR_MASK);
144 val = (CLKMGR_MEM_REQ_SET_MSK | CLKMGR_MEM_WR_SET_MSK |
145 (wdat << CLKMGR_MEM_WDAT_LSB_OFFSET) | addr);
147 if (pll == MEMBUS_MAINPLL)
148 CM_REG_WRITEL(plat, val, CLKMGR_MAINPLL_MEM);
150 CM_REG_WRITEL(plat, val, CLKMGR_PERPLL_MEM);
152 debug("MEMBUS: Write 0x%08x to addr = 0x%08x\n", wdat, addr);
154 return membus_wait_for_req(plat, pll, timeout);
157 static int membus_read_pll(struct socfpga_clk_plat *plat, u32 pll,
158 u32 addr_offset, u32 *rdata, int timeout)
163 addr = ((addr_offset | CLKMGR_MEM_ADDR_START) & CLKMGR_MEM_ADDR_MASK);
165 val = ((CLKMGR_MEM_REQ_SET_MSK & ~CLKMGR_MEM_WR_SET_MSK) | addr);
167 if (pll == MEMBUS_MAINPLL)
168 CM_REG_WRITEL(plat, val, CLKMGR_MAINPLL_MEM);
170 CM_REG_WRITEL(plat, val, CLKMGR_PERPLL_MEM);
174 if (membus_wait_for_req(plat, pll, timeout))
177 if (pll == MEMBUS_MAINPLL)
178 *rdata = CM_REG_READL(plat, CLKMGR_MAINPLL_MEMSTAT);
180 *rdata = CM_REG_READL(plat, CLKMGR_PERPLL_MEMSTAT);
182 debug("MEMBUS: Read 0x%08x from addr = 0x%08x\n", *rdata, addr);
187 static void membus_pll_configs(struct socfpga_clk_plat *plat, u32 pll)
192 for (i = 0; i < ARRAY_SIZE(membus_pll); i++) {
193 membus_read_pll(plat, pll, membus_pll[i].reg,
194 &rdata, MEMBUS_TIMEOUT);
195 membus_write_pll(plat, pll, membus_pll[i].reg,
196 ((rdata & ~membus_pll[i].mask) | membus_pll[i].val),
201 static u32 calc_vocalib_pll(u32 pllm, u32 pllglob)
203 u32 mdiv, refclkdiv, arefclkdiv, drefclkdiv, mscnt, hscnt, vcocalib;
205 mdiv = pllm & CLKMGR_PLLM_MDIV_MASK;
206 arefclkdiv = (pllglob & CLKMGR_PLLGLOB_AREFCLKDIV_MASK) >>
207 CLKMGR_PLLGLOB_AREFCLKDIV_OFFSET;
208 drefclkdiv = (pllglob & CLKMGR_PLLGLOB_DREFCLKDIV_MASK) >>
209 CLKMGR_PLLGLOB_DREFCLKDIV_OFFSET;
210 refclkdiv = (pllglob & CLKMGR_PLLGLOB_REFCLKDIV_MASK) >>
211 CLKMGR_PLLGLOB_REFCLKDIV_OFFSET;
212 mscnt = CLKMGR_VCOCALIB_MSCNT_CONST / (mdiv * BIT(drefclkdiv));
215 hscnt = (mdiv * mscnt * BIT(drefclkdiv) / refclkdiv) -
216 CLKMGR_VCOCALIB_HSCNT_CONST;
217 vcocalib = (hscnt & CLKMGR_VCOCALIB_HSCNT_MASK) |
218 ((mscnt << CLKMGR_VCOCALIB_MSCNT_OFFSET) &
219 CLKMGR_VCOCALIB_MSCNT_MASK);
221 /* Dump all the pll calibration settings for debug purposes */
222 debug("mdiv : %d\n", mdiv);
223 debug("arefclkdiv : %d\n", arefclkdiv);
224 debug("drefclkdiv : %d\n", drefclkdiv);
225 debug("refclkdiv : %d\n", refclkdiv);
226 debug("mscnt : %d\n", mscnt);
227 debug("hscnt : %d\n", hscnt);
228 debug("vcocalib : 0x%08x\n", vcocalib);
234 * Setup clocks while making no assumptions about previous state of the clocks.
236 static void clk_basic_init(struct udevice *dev,
237 const struct cm_config * const cfg)
239 struct socfpga_clk_plat *plat = dev_get_plat(dev);
245 #ifdef CONFIG_SPL_BUILD
246 /* Always force clock manager into boot mode before any configuration */
248 CM_REG_READL(plat, CLKMGR_CTRL) | CLKMGR_CTRL_BOOTMODE);
250 /* Skip clock configuration in SSBL if it's not in boot mode */
251 if (!(CM_REG_READL(plat, CLKMGR_CTRL) & CLKMGR_CTRL_BOOTMODE))
255 /* Put both PLLs in bypass */
256 clk_write_bypass_mainpll(plat, CLKMGR_BYPASS_MAINPLL_ALL);
257 clk_write_bypass_perpll(plat, CLKMGR_BYPASS_PERPLL_ALL);
259 /* Put both PLLs in Reset and Power Down */
260 CM_REG_CLRBITS(plat, CLKMGR_MAINPLL_PLLGLOB,
261 CLKMGR_PLLGLOB_PD_MASK | CLKMGR_PLLGLOB_RST_MASK);
262 CM_REG_CLRBITS(plat, CLKMGR_PERPLL_PLLGLOB,
263 CLKMGR_PLLGLOB_PD_MASK | CLKMGR_PLLGLOB_RST_MASK);
265 /* setup main PLL dividers where calculate the vcocalib value */
266 vcocalib = calc_vocalib_pll(cfg->main_pll_pllm, cfg->main_pll_pllglob);
267 CM_REG_WRITEL(plat, cfg->main_pll_pllglob & ~CLKMGR_PLLGLOB_RST_MASK,
268 CLKMGR_MAINPLL_PLLGLOB);
269 CM_REG_WRITEL(plat, cfg->main_pll_fdbck, CLKMGR_MAINPLL_FDBCK);
270 CM_REG_WRITEL(plat, vcocalib, CLKMGR_MAINPLL_VCOCALIB);
271 CM_REG_WRITEL(plat, cfg->main_pll_pllc0, CLKMGR_MAINPLL_PLLC0);
272 CM_REG_WRITEL(plat, cfg->main_pll_pllc1, CLKMGR_MAINPLL_PLLC1);
273 CM_REG_WRITEL(plat, cfg->main_pll_pllc2, CLKMGR_MAINPLL_PLLC2);
274 CM_REG_WRITEL(plat, cfg->main_pll_pllc3, CLKMGR_MAINPLL_PLLC3);
275 CM_REG_WRITEL(plat, cfg->main_pll_pllm, CLKMGR_MAINPLL_PLLM);
276 CM_REG_WRITEL(plat, cfg->main_pll_mpuclk, CLKMGR_MAINPLL_MPUCLK);
277 CM_REG_WRITEL(plat, cfg->main_pll_nocclk, CLKMGR_MAINPLL_NOCCLK);
278 CM_REG_WRITEL(plat, cfg->main_pll_nocdiv, CLKMGR_MAINPLL_NOCDIV);
280 /* setup peripheral PLL dividers where calculate the vcocalib value */
281 vcocalib = calc_vocalib_pll(cfg->per_pll_pllm, cfg->per_pll_pllglob);
282 CM_REG_WRITEL(plat, cfg->per_pll_pllglob & ~CLKMGR_PLLGLOB_RST_MASK,
283 CLKMGR_PERPLL_PLLGLOB);
284 CM_REG_WRITEL(plat, cfg->per_pll_fdbck, CLKMGR_PERPLL_FDBCK);
285 CM_REG_WRITEL(plat, vcocalib, CLKMGR_PERPLL_VCOCALIB);
286 CM_REG_WRITEL(plat, cfg->per_pll_pllc0, CLKMGR_PERPLL_PLLC0);
287 CM_REG_WRITEL(plat, cfg->per_pll_pllc1, CLKMGR_PERPLL_PLLC1);
288 CM_REG_WRITEL(plat, cfg->per_pll_pllc2, CLKMGR_PERPLL_PLLC2);
289 CM_REG_WRITEL(plat, cfg->per_pll_pllc3, CLKMGR_PERPLL_PLLC3);
290 CM_REG_WRITEL(plat, cfg->per_pll_pllm, CLKMGR_PERPLL_PLLM);
291 CM_REG_WRITEL(plat, cfg->per_pll_emacctl, CLKMGR_PERPLL_EMACCTL);
292 CM_REG_WRITEL(plat, cfg->per_pll_gpiodiv, CLKMGR_PERPLL_GPIODIV);
294 /* Take both PLL out of reset and power up */
295 CM_REG_SETBITS(plat, CLKMGR_MAINPLL_PLLGLOB,
296 CLKMGR_PLLGLOB_PD_MASK | CLKMGR_PLLGLOB_RST_MASK);
297 CM_REG_SETBITS(plat, CLKMGR_PERPLL_PLLGLOB,
298 CLKMGR_PLLGLOB_PD_MASK | CLKMGR_PLLGLOB_RST_MASK);
300 /* Membus programming for mainpll */
301 membus_pll_configs(plat, MEMBUS_MAINPLL);
302 /* Membus programming for peripll */
303 membus_pll_configs(plat, MEMBUS_PERPLL);
305 cm_wait_for_lock(CLKMGR_STAT_ALLPLL_LOCKED_MASK);
307 /* Configure ping pong counters in altera group */
308 CM_REG_WRITEL(plat, cfg->alt_emacactr, CLKMGR_ALTR_EMACACTR);
309 CM_REG_WRITEL(plat, cfg->alt_emacbctr, CLKMGR_ALTR_EMACBCTR);
310 CM_REG_WRITEL(plat, cfg->alt_emacptpctr, CLKMGR_ALTR_EMACPTPCTR);
311 CM_REG_WRITEL(plat, cfg->alt_gpiodbctr, CLKMGR_ALTR_GPIODBCTR);
312 CM_REG_WRITEL(plat, cfg->alt_sdmmcctr, CLKMGR_ALTR_SDMMCCTR);
313 CM_REG_WRITEL(plat, cfg->alt_s2fuser0ctr, CLKMGR_ALTR_S2FUSER0CTR);
314 CM_REG_WRITEL(plat, cfg->alt_s2fuser1ctr, CLKMGR_ALTR_S2FUSER1CTR);
315 CM_REG_WRITEL(plat, cfg->alt_psirefctr, CLKMGR_ALTR_PSIREFCTR);
317 CM_REG_WRITEL(plat, CLKMGR_LOSTLOCK_SET_MASK, CLKMGR_MAINPLL_LOSTLOCK);
318 CM_REG_WRITEL(plat, CLKMGR_LOSTLOCK_SET_MASK, CLKMGR_PERPLL_LOSTLOCK);
320 CM_REG_WRITEL(plat, CM_REG_READL(plat, CLKMGR_MAINPLL_PLLGLOB) |
321 CLKMGR_PLLGLOB_CLR_LOSTLOCK_BYPASS_MASK,
322 CLKMGR_MAINPLL_PLLGLOB);
323 CM_REG_WRITEL(plat, CM_REG_READL(plat, CLKMGR_PERPLL_PLLGLOB) |
324 CLKMGR_PLLGLOB_CLR_LOSTLOCK_BYPASS_MASK,
325 CLKMGR_PERPLL_PLLGLOB);
327 /* Take all PLLs out of bypass */
328 clk_write_bypass_mainpll(plat, 0);
329 clk_write_bypass_perpll(plat, 0);
331 /* Clear the loss of lock bits (write 1 to clear) */
332 CM_REG_CLRBITS(plat, CLKMGR_INTRCLR,
333 CLKMGR_INTER_PERPLLLOST_MASK |
334 CLKMGR_INTER_MAINPLLLOST_MASK);
336 /* Take all ping pong counters out of reset */
337 CM_REG_CLRBITS(plat, CLKMGR_ALTR_EXTCNTRST,
338 CLKMGR_ALT_EXTCNTRST_ALLCNTRST);
340 /* Out of boot mode */
342 CM_REG_READL(plat, CLKMGR_CTRL) & ~CLKMGR_CTRL_BOOTMODE);
345 static u64 clk_get_vco_clk_hz(struct socfpga_clk_plat *plat,
346 u32 pllglob_reg, u32 pllm_reg)
348 u64 fref, arefdiv, mdiv, reg, vco;
350 reg = CM_REG_READL(plat, pllglob_reg);
352 fref = (reg & CLKMGR_PLLGLOB_VCO_PSRC_MASK) >>
353 CLKMGR_PLLGLOB_VCO_PSRC_OFFSET;
356 case CLKMGR_VCO_PSRC_EOSC1:
357 fref = cm_get_osc_clk_hz();
359 case CLKMGR_VCO_PSRC_INTOSC:
360 fref = cm_get_intosc_clk_hz();
362 case CLKMGR_VCO_PSRC_F2S:
363 fref = cm_get_fpga_clk_hz();
367 arefdiv = (reg & CLKMGR_PLLGLOB_AREFCLKDIV_MASK) >>
368 CLKMGR_PLLGLOB_AREFCLKDIV_OFFSET;
370 mdiv = CM_REG_READL(plat, pllm_reg) & CLKMGR_PLLM_MDIV_MASK;
372 vco = fref / arefdiv;
378 static u64 clk_get_main_vco_clk_hz(struct socfpga_clk_plat *plat)
380 return clk_get_vco_clk_hz(plat, CLKMGR_MAINPLL_PLLGLOB,
381 CLKMGR_MAINPLL_PLLM);
384 static u64 clk_get_per_vco_clk_hz(struct socfpga_clk_plat *plat)
386 return clk_get_vco_clk_hz(plat, CLKMGR_PERPLL_PLLGLOB,
390 static u32 clk_get_5_1_clk_src(struct socfpga_clk_plat *plat, u64 reg)
392 u32 clksrc = CM_REG_READL(plat, reg);
394 return (clksrc & CLKMGR_CLKSRC_MASK) >> CLKMGR_CLKSRC_OFFSET;
397 static u64 clk_get_clksrc_hz(struct socfpga_clk_plat *plat, u32 clksrc_reg,
398 u32 main_reg, u32 per_reg)
401 u32 clklsrc = clk_get_5_1_clk_src(plat, clksrc_reg);
404 case CLKMGR_CLKSRC_MAIN:
405 clock = clk_get_main_vco_clk_hz(plat);
406 clock /= (CM_REG_READL(plat, main_reg) &
410 case CLKMGR_CLKSRC_PER:
411 clock = clk_get_per_vco_clk_hz(plat);
412 clock /= (CM_REG_READL(plat, per_reg) &
416 case CLKMGR_CLKSRC_OSC1:
417 clock = cm_get_osc_clk_hz();
420 case CLKMGR_CLKSRC_INTOSC:
421 clock = cm_get_intosc_clk_hz();
424 case CLKMGR_CLKSRC_FPGA:
425 clock = cm_get_fpga_clk_hz();
434 static u64 clk_get_mpu_clk_hz(struct socfpga_clk_plat *plat)
436 u64 clock = clk_get_clksrc_hz(plat, CLKMGR_MAINPLL_MPUCLK,
437 CLKMGR_MAINPLL_PLLC0,
438 CLKMGR_PERPLL_PLLC0);
440 clock /= 1 + (CM_REG_READL(plat, CLKMGR_MAINPLL_MPUCLK) &
446 static u32 clk_get_l3_main_clk_hz(struct socfpga_clk_plat *plat)
448 return clk_get_clksrc_hz(plat, CLKMGR_MAINPLL_NOCCLK,
449 CLKMGR_MAINPLL_PLLC1,
450 CLKMGR_PERPLL_PLLC1);
453 static u32 clk_get_l4_main_clk_hz(struct socfpga_clk_plat *plat)
455 u64 clock = clk_get_l3_main_clk_hz(plat);
457 clock /= BIT((CM_REG_READL(plat, CLKMGR_MAINPLL_NOCDIV) >>
458 CLKMGR_NOCDIV_L4MAIN_OFFSET) &
459 CLKMGR_NOCDIV_DIVIDER_MASK);
464 static u32 clk_get_sdmmc_clk_hz(struct socfpga_clk_plat *plat)
466 u64 clock = clk_get_clksrc_hz(plat, CLKMGR_ALTR_SDMMCCTR,
467 CLKMGR_MAINPLL_PLLC3,
468 CLKMGR_PERPLL_PLLC3);
470 clock /= 1 + (CM_REG_READL(plat, CLKMGR_ALTR_SDMMCCTR) &
476 static u32 clk_get_l4_sp_clk_hz(struct socfpga_clk_plat *plat)
478 u64 clock = clk_get_l3_main_clk_hz(plat);
480 clock /= BIT((CM_REG_READL(plat, CLKMGR_MAINPLL_NOCDIV) >>
481 CLKMGR_NOCDIV_L4SPCLK_OFFSET) &
482 CLKMGR_NOCDIV_DIVIDER_MASK);
487 static u32 clk_get_l4_mp_clk_hz(struct socfpga_clk_plat *plat)
489 u64 clock = clk_get_l3_main_clk_hz(plat);
491 clock /= BIT((CM_REG_READL(plat, CLKMGR_MAINPLL_NOCDIV) >>
492 CLKMGR_NOCDIV_L4MPCLK_OFFSET) &
493 CLKMGR_NOCDIV_DIVIDER_MASK);
498 static u32 clk_get_l4_sys_free_clk_hz(struct socfpga_clk_plat *plat)
500 if (CM_REG_READL(plat, CLKMGR_STAT) & CLKMGR_STAT_BOOTMODE)
501 return clk_get_l3_main_clk_hz(plat) / 2;
503 return clk_get_l3_main_clk_hz(plat) / 4;
506 static u32 clk_get_emac_clk_hz(struct socfpga_clk_plat *plat, u32 emac_id)
515 /* Get EMAC clock source */
516 ctl = CM_REG_READL(plat, CLKMGR_PERPLL_EMACCTL);
517 if (emac_id == AGILEX_EMAC0_CLK)
518 ctl = (ctl >> CLKMGR_PERPLLGRP_EMACCTL_EMAC0SELB_OFFSET) &
519 CLKMGR_PERPLLGRP_EMACCTL_EMAC0SELB_MASK;
520 else if (emac_id == AGILEX_EMAC1_CLK)
521 ctl = (ctl >> CLKMGR_PERPLLGRP_EMACCTL_EMAC1SELB_OFFSET) &
522 CLKMGR_PERPLLGRP_EMACCTL_EMAC1SELB_MASK;
523 else if (emac_id == AGILEX_EMAC2_CLK)
524 ctl = (ctl >> CLKMGR_PERPLLGRP_EMACCTL_EMAC2SELB_OFFSET) &
525 CLKMGR_PERPLLGRP_EMACCTL_EMAC2SELB_MASK;
532 ctr_reg = CLKMGR_ALTR_EMACBCTR;
536 ctr_reg = CLKMGR_ALTR_EMACACTR;
539 reg = CM_REG_READL(plat, ctr_reg);
540 clock = (reg & CLKMGR_ALT_EMACCTR_SRC_MASK)
541 >> CLKMGR_ALT_EMACCTR_SRC_OFFSET;
542 div = (reg & CLKMGR_ALT_EMACCTR_CNT_MASK)
543 >> CLKMGR_ALT_EMACCTR_CNT_OFFSET;
546 case CLKMGR_CLKSRC_MAIN:
547 clock = clk_get_main_vco_clk_hz(plat);
549 clock /= (CM_REG_READL(plat, CLKMGR_MAINPLL_PLLC2) &
552 clock /= (CM_REG_READL(plat, CLKMGR_MAINPLL_PLLC3) &
557 case CLKMGR_CLKSRC_PER:
558 clock = clk_get_per_vco_clk_hz(plat);
560 clock /= (CM_REG_READL(plat, CLKMGR_PERPLL_PLLC2) &
563 clock /= (CM_REG_READL(plat, CLKMGR_PERPLL_PLLC3) &
568 case CLKMGR_CLKSRC_OSC1:
569 clock = cm_get_osc_clk_hz();
572 case CLKMGR_CLKSRC_INTOSC:
573 clock = cm_get_intosc_clk_hz();
576 case CLKMGR_CLKSRC_FPGA:
577 clock = cm_get_fpga_clk_hz();
586 static ulong socfpga_clk_get_rate(struct clk *clk)
588 struct socfpga_clk_plat *plat = dev_get_plat(clk->dev);
592 return clk_get_mpu_clk_hz(plat);
593 case AGILEX_L4_MAIN_CLK:
594 return clk_get_l4_main_clk_hz(plat);
595 case AGILEX_L4_SYS_FREE_CLK:
596 return clk_get_l4_sys_free_clk_hz(plat);
597 case AGILEX_L4_MP_CLK:
598 return clk_get_l4_mp_clk_hz(plat);
599 case AGILEX_L4_SP_CLK:
600 return clk_get_l4_sp_clk_hz(plat);
601 case AGILEX_SDMMC_CLK:
602 return clk_get_sdmmc_clk_hz(plat);
603 case AGILEX_EMAC0_CLK:
604 case AGILEX_EMAC1_CLK:
605 case AGILEX_EMAC2_CLK:
606 return clk_get_emac_clk_hz(plat, clk->id);
608 case AGILEX_NAND_X_CLK:
609 return clk_get_l4_mp_clk_hz(plat);
610 case AGILEX_NAND_CLK:
611 return clk_get_l4_mp_clk_hz(plat) / 4;
617 static int socfpga_clk_enable(struct clk *clk)
622 static int socfpga_clk_probe(struct udevice *dev)
624 const struct cm_config *cm_default_cfg = cm_get_default_config();
626 clk_basic_init(dev, cm_default_cfg);
631 static int socfpga_clk_of_to_plat(struct udevice *dev)
633 struct socfpga_clk_plat *plat = dev_get_plat(dev);
636 addr = dev_read_addr(dev);
637 if (addr == FDT_ADDR_T_NONE)
639 plat->regs = (void __iomem *)addr;
644 static struct clk_ops socfpga_clk_ops = {
645 .enable = socfpga_clk_enable,
646 .get_rate = socfpga_clk_get_rate,
649 static const struct udevice_id socfpga_clk_match[] = {
650 { .compatible = "intel,agilex-clkmgr" },
654 U_BOOT_DRIVER(socfpga_agilex_clk) = {
655 .name = "clk-agilex",
657 .of_match = socfpga_clk_match,
658 .ops = &socfpga_clk_ops,
659 .probe = socfpga_clk_probe,
660 .of_to_plat = socfpga_clk_of_to_plat,
661 .plat_auto = sizeof(struct socfpga_clk_plat),